Switching mechanism

Details Switching mechanism Switching mechanism

1979-10-24

1982-09-07

Shepperd, John W.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200 38B, 74568T, H01H 342

Patent

active

043485685

ABSTRACT:
A switching mechanism has disc cams arranged on a shaft for actuating switches positioned beside the shaft. The disc cams are secured in a particular angular position in conjunction with an annular plastically deformable washer which has an unround aperture seated on a corresponding unround portion of the shaft and thereby locked to the shaft. The disc cam and the element are locked together by bending a region of the washer into a recess on the disc cam.

REFERENCES:
patent: 2545719 (1951-03-01), Wedeberg
patent: 2564335 (1951-08-01), Lake
patent: 2839948 (1958-06-01), Paul
patent: 2864264 (1958-12-01), Rass
patent: 3221117 (1965-11-01), Simmons
patent: 3626130 (1970-09-01), Siegal
patent: 3839925 (1974-10-01), Ficken et al.
patent: 4238654 (1980-12-01), Hermle

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